HN jithinraj 3/9/2026

Show HN: Signed receipts for agent actions

PEAC standard for signed receipts and verifiable interaction records in AI agents. Includes portable evidence bundles for offline verification.

HN darkport 3/9/2026

We Hacked McKinsey's AI Platform

Security research on McKinsey's internal AI platform Lilli. Offensive security testing of enterprise RAG system processing 500K+ prompts/month.